Wells Fargo Center is a building located in Denver, Colorado, United States. It resembles a cash register or mailbox and is known locally as the "Cash Register Building" or the "Mailbox Building". It is 698 feet (213 m) high, the third tallest building in Denver. It is shorter than the Republic Plaza building 714 feet (218 m) and the CenturyLink Tower, at 709 feet (216 m). The building sits on a hill, making its overall elevation higher than the two taller buildings, but its ground-to-roof height is less.